SUV Fuel Pump Motor Magnet
Engineered to meet the higher fuel flow requirements of larger SUV engines, our SUV fuel pump motor magnet delivers superior magnetic power and durability. We utilize a high magnetic energy product (BHmax) ferrite material, enhanced with rare-earth additives like Dysprosium Oxide (Dy₂O₃) and...
Product Introduction
Our SUV fuel pump motor magnet is engineered for robust and stable performance in high-demand fuel delivery systems. It is made from high-performance ferrite material, carefully enhanced with Dysprosium Oxide and Terbium Oxide, providing a magnetic energy product of 4.0 MGOe.
This ensures strong torque output and consistent operation for large-displacement SUV fuel pumps.
The raw powders are prepared through a controlled co-precipitation process to guarantee uniform chemical composition. During pressing, the magnet is oriented in a 1.5 Tesla magnetic field under 150 MPa pressure, aligning the magnetic domains for maximum output efficiency.
Sintering follows a two-step temperature schedule with holds at 1150°C and 1250°C, allowing complete crystal growth and improved structural stability. Pole arc geometry is optimized using magnetic simulation software, ensuring effective magnetic flux within the confined space of the motor.
The magnets undergo rigorous thermal cycling from -45°C to 135°C for 100 repetitions, with magnetic performance variation kept under 4%. A dual-layer protective coating-electroless nickel plus a PTFE topcoat totaling 20μm-provides resistance against fuel additives and environmental corrosion, ensuring long-term reliability in demanding automotive applications.
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